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【简答题】
已知某产品的需求价格弹性值Ed=0.5,该产品原销售量为Qd =800件,单位产品价格P =10元,若该产品价格上调10%,则销售量减少( )(答案格式为百分数),计算该产品提价后销售收入为( )元。
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举一反三
【简答题】4.
The girls work out every morning, a_____ at losing weight.
【单选题】Girls' work is______ .
A.
harmful to the health because it is heavy
B.
not harmful to the health because it is light
C.
not harmful to the health though it is heavy
D.
harmful to the health though it is light
【简答题】国际上常用的温标有:摄____温标、华氏温标、热____温标、1990国际温标等。
【单选题】Either of ______ is quite capable of the work.
A.
girl
B.
the girl
C.
girls
D.
the girls
【简答题】国际上常用的温标有:摄______温标、华氏温标、热______温标、19______国际温标等。
【单选题】You are grownup now, so it's up to you to decide whether to________English or French. [ ]
A.
take off
B.
take on
C.
take in
D.
take up
【单选题】Either of_________is quite capable of the work． A.girdB.the girlC.girls#
A.
Either of_________is quite capable of the work． A.gird
B.
the girl
C.
girls
D.
the gifts
【简答题】In which situation in this study did boys work better than girls?
【简答题】Black English is now a variety of English. ( )
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